在铝土矿烧结过程中添加部分霞石矿，以补充碱的消耗，同时达到处理霞石的目的。
Addition of partial nephelite during bauxite sintering could not only make up consumption of soda, but also attain purpose for treating nephelite.
结果表明，结石中富含铝，显微镜下可见莫来石与霞石等晶体特征，说明该玻璃中的透明结石来源于耐火材料侵蚀。
The stones were considered to be the corrosion products of refractory materials due to the fact that they exhibit mullite or nephelite characteristics under the microscope and are rich in alumina.
霞石为典型的碱性矿物，主要生成于碱性岩及其伟晶岩中。
Nepheline is a typical kind of alkaline mineral, which forms mainly in alkaline deposit and its pegmatite.
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